A new dye has been developed for coloring fabrics. The dye has percent composition of 75.91% carbon, 6.38% hydrogen, and 17.71% nitrogen. Determine the molecular formula of the dye if it's molecular weight is 237.33 G/mol.

Q: Phellandrene is a component of frankincense resin and has an odor described as “peppery-minty”. It…

A: Given ; hydrogen = 11.84%

Q: Turquoise, CuAl 6 ( P O 4 ) 4 ( OH) 8·5 H 2 O(s), is one of the most valuable non-transparent…

A: Calculate molar mass of both hydrated and anhydrous form of the mineral and then calculate the mass…

Q: The anticaking agent added to table salt is calcium metasilicate (CaSiO3). This compound can absorb…

A: The total molar mass of CaSiO3 is 116.2 g/mol.

Q: The chemical formula of aspirin is C9H8O4. What is the mass of 0.40 mol of aspirin?  A. 72.00 g B.…

A: Number of mole = mass / molar mass

Q: A compound is composed of carbon, hydrogen, and oxygen. When 10.0 g of an unknown compound was…

A: First Calculate mole of carbon ,hydrogen then Calculate mass of oxygen and mole of oxygen. Then…

Q: How many grams of CO2 are formed from the combustion of 129 g methane?

A: The above question can be solved by using stoichiometric calculations.

Q: A compound contains, by mass, 81.7% carbon and 18.3% hydrogen. A 0.15 mole sample of this compound…

A: Given  % Carbon  = 81.7 %  % H   =  18.3 %  Number of mole     = 0.15 mole  Mass of compound = 6.6…

Q: Galantamine is a drug given to patients who have Alzheimer's disease. Its chemical formula is…

A:

Q: Fermentation is the chemical process of making wine by converting glucose (C6H1206) into ethanol…

A:

Q: The empirical formula of propylene is CH2. An experimental determination of the molar mass of…

A: Let the number of carbon atoms be n and the number of hydrogen atoms be 2n in the molecular formula…

Q: What is the mass in grams of 7.3 x 1024 molecules of lactic acid (C3H6O3), the compound responsible…

A:

Q: A 1.000 g sample of an unknown compound containing only carbon, hydrogen, and oxygen was analyzed…

A: Given,  Mass of CO2 = 2.224 g  H2O = 0.3035 g

Q: Iodine is prepared both in the laboratory and commercially by adding CI2 (g) to an aqueous solution…

A:

Q: he Freons are a class of compounds containing carbon, chlorine, and fluorine. While they have many…

A: HFC-134a  is CH2FCF3 HCFC-124 is CHClFCF3

Q: The analysis of a compound gives the following percent composition by mass: C: 56.70 percent; H:…

A: The molecular formula C13H23S1O4 is calculated from percentage composition and molar mass of…

Q: CH4 (g) + 202 (g) C02 (g) + 2H20(g) Suppose 8.00 g of CH4 is allowed to burn in the presence of…

A: Given information: 8.00 g of CH4  16.00 g of oxygen The reaction is given as follows: CH4 (g) +…

Q: complete reaction

A:

Q: Calculate the percent composition by mass of calcium sulfite, CaSO3 2. Calculate the percent…

A: To Solve this problem we will calculate the percentage composition of each element present in given…

Q: The semi-precious stone turquoise is a hydrate and with the chemical formula CuAlg(P04)4(OH)8 ·4…

A:

Q: For the reaction "P₄(s) + 6 Cl₂(g) → 4 PCl₃(l)", if 125 g of P₄ is reacted with 323 g of Cl₂, what…

A: Phosphorus reacts with chlorine to form phosphorus trichloride. The equation for the balanced…

Q: Aspirin can be prepared from salicylic acid ( C7H6O3 ), which has a molar mass of 138.12 g/mol, and…

A:

Q: Cinnamic alcohol is used mainly in perfumery, particularly in soaps and cosmetics. Its molecular…

A: Given, Molecular formula of Cinnamic alcohol is C9H10O  Mass of sample = 0.668 g     Required,…

Q: 1. Ascorbic Acid (Vitamin C) contains 40.92 % C, 4.58 % H and 54.50 % O by mass. Its molecular mass…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Iron is biologically important in the transport of oxygen by red blood cells from the lungs to the…

A: Given :-  Mass of Iron present in 2.64 × 1013 red blood cells = 2.90 g  To be calculated :-  Number…

Q: Fullerenes are molecules composed of only carbon atoms. One fullerene is C60 a carbon molecule…

A: The number of moles of a substance is defined as the mass of the substance upon its molar mass.

Q: Question is attached

A: It is given that the molecular formula of the artificial sweetener i.e. aspartame is C14H18N2O5, To…

Q: The calcium ion is a dietary mineral essential to good nutrition. Calcium is necessary for the…

A:

Q: The analysis of a compound gives the following percent composition by mass: C: 56.62 percent; H:…

A:

Q: 8. A chemistry student weighed a piece of chalk and found that it had a mass of 56.7 g. After a day…

A: Given in the question, Mass of chalk before using = 56.7 gm Mass of chalk after using = 48.3 gm Mass…

Q: Consider the following chemical reaction. 3 Zn(C₂H₃O₂)₂(aq) + 2 Na₃PO₄(aq) → 6 NaC₂H₃O₂(aq) +…

A: The formula weight (FW) of a compound is calculated using the following expression: FW=∑ni×Mi where…

Q: B. TRUE OR FALSE: Read each statement carefully. Write TRUE if the statement is correct and FALSE if…

A: Percentage composition gives a brief ideas about each elemental composition as follows.

Q: Two hypothetical ionic compounds are discovered with the chemical formulas XCI2 and YCI2, where X…

A:

Q: How many atoms of carbon are present in 34. 5 g caffeine, Cg H10N4O2 ? A 1.08 x 1024 B 8.57 x 1023…

A: given, the weight of caffeine = 34.5g

Q: What is the percent NaCl in the sample?

A:

Q: A given compound is analyzed and found to contain only C, H and O. When a 35.79 g sample of this…

A: Given,

Q: It is 40.7%, 54.2% O and 5.1% H of the compound X, which is the main component of clove oil. (C: 12…

A: Here given the amount in percentage of C,H and O. So for rough formula means empirical formula of…

Q: What is the mass in grams of 6.56 x 1022 molecules of lactic acid (C3H6O3), the compound responsible…

A: 1- First we need to calculate the moles of lactic acid :  Moles of lactic acid = [ number of…

Q: The percentage composition of acetaldehyde is 54.5% C, 9.2% H, and 36.3% O, and its molecular mass…

A:

Q: What is the percent composition of oxygen in aluminum nitrate?     6.58%     67.60%     12.67%

A: Aluminium Nitrate is Al(NO3)3 Atomic mass of Al = 27 g mol-1 Atomic mass of N = 14 g mol-1 Atomic…

Q: A student is running an experiment in which 71.1 grams of MnSO, is needed, but the only jar of…

A: Given: The mass of MnSO4 required for performing an experiment is 71.1 g.

Q: Part C Hydroxyapatite, Ca₂0 (PO4) 6 (OH)2, the principal component of human bones. Express your…

A: Atomic mass is the mass of  all the atoms         present in molecules .its unit is amu .

Q: How many atoms are contained in 12 g of water? O 2.4 x 1024 O 1.2 x 1024 4.0 x 1023 O 1.3 x 1023

A: To calculate the number of atoms in 12 g of H2O Molar mass of H2O = 18 g/mole Now we calculate moles…

Q: what is the percent of SiO2 in the starting mixture?

A: Percent by mass = (mass of a component in mixture /total mass of mixture) × 100%  Given :- mass of…

Q: An unknown compound is comprised of 25.9% N and 74.1% O. The molecular mass of the compound is 216…

A: % of N = 25.9 % of O = 74.1

Q: Determine the molecular formula of a sugar from its percent composition of 40.0% C, 6.67% H, 53.3%…

A: Given : Mass percent of C = 40.0 % Mass percent of H = 6.67 % Mass percent of O = 53.3 % And molar…

Q: 1) Glucose has the formula C6H12O6. What is the percent composition of oxygen in glucose to three…

A: 1. Given data:  Glucose  molecular formula = C6H12O6 % composition of oxygen = ? Molar mass of…

Q: A combustion analysis is performed on a compound that contains only C and H. The analysis produces…

A:

Q: Determine the empirical and molecular formula of the following compounds: Sodium nitrite with a…

A: Given data Sodium nitrite molecular weight = 69 gmNa= 33.32%   molecular weight = 22.98…

Q: Calculate the molar mass of copper(II)chloride dihydrate.

A: Given :-  Molecular formula of copper(II)chloride dihydrate = CuCl2.2H2O  To be calculated :-  It's…